Perhaps you should try some spelling variations:
"health impedance network systems report" » "health importance network systems report", "health temperance network systems report", "head impedance network systems report", "health impedance network system report", "health impedance network systems support", "health impedance network systems recent"
"health science network synthesis report" » "health sciences network synthesis report", "health science networks synthesis report", "health science work synthesis report"
"health finance network synthesis report" » "health financial network synthesis report", "health distance network synthesis report", "health guidance network synthesis report", "health financing network synthesis report", "health insurance network synthesis report"
"health dence network synthesis report" » "health dense network synthesis report", "health defence network synthesis report", "health dense networks synthesis report", "health device network synthesis report", "health evidence network synthesis report", "health devices network synthesis report"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health science network synthesis report\") OR (\"health dence network synthesis report\"))) OR (((\"health finance network synthesis report\") OR (\"health impedance network systems report\"))))".
• Removing quotes may allow a broader search: (((( health science network synthesis report ) OR ( health dence network synthesis report ))) OR ((( health finance network synthesis report ) OR ( health impedance network systems report )))).
• Adding a wildcard symbol may retrieve word variants: (((("health science network synthesis report") OR ("health dence network synthesis report"))) OR ((("health finance network synthesis report") OR ("health impedance network systems report"))))*.